package com.atguigu.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.atguigu.commonutils.R;
import com.atguigu.servicebase.exxceptionhandler.GuliException;
import com.atguigu.vod.service.VodService;
import com.atguigu.vod.utills.ConstantVodUtils;
import com.atguigu.vod.utills.InitObject;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.List;

@Service
public class VodServiceImpl implements VodService {
    @Override
    public String uploadVideo(MultipartFile file) {
        try {
            //accessKeyId, accessKeySecret
            //fileName：上传文件原始名称
            // 01.03.09.mp4
            String fileName = file.getOriginalFilename();
            //title：上传之后显示名称
            String title = fileName.substring(0, fileName.lastIndexOf("."));
            //inputStream：上传文件输入流
            InputStream inputStream = file.getInputStream();
            UploadStreamRequest request = new UploadStreamRequest(ConstantVodUtils.KEYID,ConstantVodUtils.KEYSECRET, title, fileName, inputStream);

            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId = null;
            if (response.isSuccess()) {
                videoId = response.getVideoId();
            } else { //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                videoId = response.getVideoId();
            }
            return videoId;
        }catch(Exception e) {
            e.printStackTrace();
            return null;
        }
    }


//    这里实现 删除视频的时候用方法拼接字符串
    @Override
    public void removemoreAlyVideo(List videoList) {
        //初始化方法
        DefaultAcsClient client = InitObject.initVodClient(ConstantVodUtils.KEYID, ConstantVodUtils.KEYSECRET);
        //创建删除视频的request对象
        DeleteVideoRequest deleteVideoRequest = new DeleteVideoRequest();

        String join = StringUtils.join(videoList.toArray(), ",");
        deleteVideoRequest.setVideoIds(join); //删除多个视频id

        try {
            client.getAcsResponse(deleteVideoRequest);
        } catch (ClientException e) {
            e.printStackTrace();
            throw new GuliException(20001,"删除失败");
        }

    }
}
